Original #Antigenic #Sin: Friend or Foe in Developing a Broadly Cross-Reactive #Vaccine to #Influenza? (Cell Host Microbe, summary)

[Source: Cell Host & Microbe, full page: (LINK). Summary, edited.]

Original Antigenic Sin: Friend or Foe in Developing a Broadly Cross-Reactive Vaccine to Influenza?

Priyadharshini Devarajan, Susan L. Swain

DOI: https://doi.org/10.1016/j.chom.2019.02.009

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In this issue of Cell Host & Microbe, two articles ( Lee et al., 2019, Henry et al., 2019) find the influenza-specific antibody repertoire in humans becomes static over time and with age, despite repeated exposures. Identified persistent dominant clones target conserved viral epitopes, supporting the feasibility of a universal influenza vaccine.

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Keywords: Influenza A; Vaccines; Original Antigenic Sin.

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Giuseppe Michieli

I am an Italian blogger, active since 2005 with main focus on emerging infectious diseases such as avian influenza, SARS, antibiotics resistance, and many other global Health issues. Other fields of interest are: climate change, global warming, geological and biological sciences. My activity consists mainly in collection and analysis of news, public services updates, confronting sources and making decision about what are the 'signals' of an impending crisis (an outbreak, for example). When a signal is detected, I follow traces during the entire course of an event. I started in 2005 my blog ''A TIME'S MEMORY'', now with more than 40,000 posts and 3 millions of web interactions. Subsequently I added an Italian Language blog, then discontinued because of very low traffic and interest. I contributed for seven years to a public forum (FluTrackers.com) in the midst of the Ebola epidemic in West Africa in 2014, I left the site to continue alone my data tracking job.